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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [testsuite/] [gdb.arch/] [powerpc-aix-prologue.c] - Rev 330
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/* This testcase is part of GDB, the GNU debugger. Copyright 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ void li_stw (void); void stack_check_probe_1 (void); void stack_check_probe_2 (void); void stack_check_probe_loop_1 (void); void stack_check_probe_loop_2 (void); int main (void) { li_stw (); stack_check_probe_1 (); stack_check_probe_2 (); stack_check_probe_loop_1 (); stack_check_probe_loop_2 (); return 0; } /* Asm for procedure li_stw(). The purpose of this function is to verify that GDB does not include the li insn as part of the function prologue (only part of the prologue if part of a pair of insns saving vector registers). Similarly, GDB should not include the stw insn following the li insn, because the source register is not used for parameter passing. */ asm (" .csect .text[PR]\n" " .align 2\n" " .lglobl .li_stw\n" " .csect li_stw[DS]\n" "li_stw:\n" " .long .li_stw, TOC[tc0], 0\n" " .csect .text[PR]\n" ".li_stw:\n" " stw 31,-4(1)\n" " stwu 1,-48(1)\n" " mr 31,1\n" " stw 11,24(31)\n" " li 0,8765\n" " stw 0,28(31)\n" " lwz 1,0(1)\n" " lwz 31,-4(1)\n" " blr\n"); /* Asm for procedure stack_check_probe_1(). The purpose of this function is to verify that GDB can skip the stack checking probing at the beginning of the prologue. */ asm (" .csect .text[PR]\n" " .align 2\n" " .globl stack_check_probe_1\n" " .globl .stack_check_probe_1\n" " .csect stack_check_probe_1[DS]\n" "stack_check_probe_1:\n" " .long .stack_check_probe_1, TOC[tc0], 0\n" " .csect .text[PR]\n" ".stack_check_probe_1:\n" " stw 0,-12336(1)\n" " stw 31,-4(1)\n" " stwu 1,-48(1)\n" " mr 31,1\n" " lwz 1,0(1)\n" " lwz 31,-4(1)\n" " blr\n"); /* Asm for procedure stack_check_probe_2 (). Similar to stack_check_probe_1, but with a different probing sequence (several probes). */ asm (" .csect .text[PR]\n" " .align 2\n" " .globl stack_check_probe_2\n" " .globl .stack_check_probe_2\n" " .csect stack_check_probe_2[DS]\n" "stack_check_probe_2:\n" " .long .stack_check_probe_2, TOC[tc0], 0\n" " .csect .text[PR]\n" ".stack_check_probe_2:\n" " stw 0,-16384(1)\n" " stw 0,-20480(1)\n" " stw 0,-24576(1)\n" " stw 0,-28672(1)\n" " stw 0,-28752(1)\n" " mflr 0\n" " stw 31,-4(1)\n" " stw 0,8(1)\n" " stwu 1,-16464(1)\n" " mr 31,1\n" " lwz 1,0(1)\n" " lwz 0,8(1)\n" " mtlr 0\n" " lwz 31,-4(1)\n" " blr\n"); /* Asm for procedure stack_check_probe_loop_1() and stack_check_probe_loop_2(). Similar to stack_check_probe_1, but with a different probing sequence (probing loop). */ asm (" .csect .text[PR]\n" " .align 2\n" " .globl stack_check_probe_loop_1\n" " .globl .stack_check_probe_loop_1\n" " .csect stack_check_probe_loop_1[DS]\n" "stack_check_probe_loop_1:\n" " .long .stack_check_probe_loop_1, TOC[tc0], 0\n" " .csect .text[PR]\n" ".stack_check_probe_loop_1:\n" " addi 12,1,-12288\n" " lis 0,-8\n" " ori 0,0,4096\n" " add 0,12,0\n" "LPSRL1..0:\n" " cmpw 0,12,0\n" " beq 0,LPSRE1..0\n" " addi 12,12,-4096\n" " stw 0,0(12)\n" " b LPSRL1..0\n" "LPSRE1..0:\n" " stw 0,-4080(12)\n" " mflr 0\n" " stw 31,-4(1)\n" " stw 0,8(1)\n" " lis 0,0xfff8\n" " ori 0,0,16\n" " stwux 1,1,0\n" " mr 31,1\n" " lwz 1,0(1)\n" " lwz 0,8(1)\n" " mtlr 0\n" " lwz 31,-4(1)\n" " blr\n"); asm (" .csect .text[PR]\n" " .align 2\n" " .globl stack_check_probe_loop_2\n" " .globl .stack_check_probe_loop_2\n" " .csect stack_check_probe_loop_2[DS]\n" "stack_check_probe_loop_2:\n" " .long .stack_check_probe_loop_2, TOC[tc0], 0\n" " .csect .text[PR]\n" ".stack_check_probe_loop_2:\n" " addi 12,1,-12288\n" " lis 0,-8\n" " add 0,12,0\n" "LPSRL2..0:\n" " cmpw 0,12,0\n" " beq 0,LPSRE2..0\n" " addi 12,12,-4096\n" " stw 0,0(12)\n" " b LPSRL2..0\n" "LPSRE2..0:\n" " mflr 0\n" " stw 31,-4(1)\n" " stw 0,8(1)\n" " lis 0,0xfff8\n" " ori 0,0,16\n" " stwux 1,1,0\n" " mr 31,1\n" " lwz 1,0(1)\n" " lwz 0,8(1)\n" " mtlr 0\n" " lwz 31,-4(1)\n" " blr\n");